CLASSES, ORDERS, ETC. 9 1 



(d) Shell fusiform, large, yellowish-brown, glossy ; whorls 

 twelve ; mouth oval, pear-shaped, with two very strong plaits on 

 the base of the penultimate whorl, and two or three labial plaits 

 which are distinctly visible through the shell ; umbilicus small ; 

 basal crest shght ; clausilium with a notch on the margin near its 



Fig. 34. — Clausula blplicata. 



base. Height |^ths inch. On beech and ash trees. Moderately 

 distributed, but local. C. lamina ta?^ 



23. Cochlicopa. — Shell oblong or oblong oval, very glossy, 

 transparent ; mouth pear-shaped ; outer lip thickened, not re- 

 flected. 



{a) Shell fusiform, pale yellowish-brown, glossy; whorls 

 seven ; spire produced, blunt ; suture shallow ; mouth pear- 

 shaped, with three or more plications. Length 2^^^ inch. 

 Among moss and decaying leaves. Moderately common, but 

 local. C tvidens.^'^ 



{b) Shell oblong, not so ventricose as C. tridcns, yellowish-brown 

 or greenish-white, glossy; whorls five to five and a-half; suture 

 rather deep ; mouth oval, without plaits. Height 2*Vths inch. 

 Among moss and decaying leaves. Common. C lubrica.^^ 



"" V. albinos, entirely white ; v. pelliirida, thinner, more transparent, very 

 glossy. 



^' V. crysiallina, greenish-white, transparent, glossy. 



"- V. hyalina. greenish-white ; v. fiisca, more or less a deep brown colour ; 

 V. hdu'icoides, smaller, more slender ; v. t'/r/^Z/^/a, 'shaped like v. hibricoides, but 

 greenish- white ; v. ovala, s'.naller, oval, spire shorter. 



